<span><span><span>2x</span>+3</span>=<span><span>
[email protected]</span><span>x=6</span></span></span><span><span><span><span>(2)</span><span>(6)</span></span>+3</span>=15</span><span><span>15=</span><span>15</span></span>
Answer:
try looking it up on socratic
Answer: 4.2 miles
Step-by-step explanation:
So she ran 6 miles in 50 minutes how long will she run in 35 minutes?
So the equation will therefore be:
6=50
x=35
Cross multiply
6 x 35 = 50x
210 = 50x
Divide both sides by 50
The answer is 4.2 miles
Answer:
382 ft³ (3 s.f.)
Step-by-step explanation:
![\boxed{volume \: of \: sphere = \frac{4}{ 3}\pi {r}^{3} }](https://tex.z-dn.net/?f=%5Cboxed%7Bvolume%20%5C%3A%20of%20%5C%3A%20sphere%20%3D%20%20%5Cfrac%7B4%7D%7B%203%7D%5Cpi%20%7Br%7D%5E%7B3%7D%20%20%7D)
Radius= diameter ÷2
Rdaius of sphere
= 9 ÷2
= 4.5 ft
Volume of sphere
![= \frac{4}{3} (\pi)(4.5)^{3}](https://tex.z-dn.net/?f=%20%3D%20%20%5Cfrac%7B4%7D%7B3%7D%20%28%5Cpi%29%284.5%29%5E%7B3%7D%20)
= 382 ft³ (3 s.f.)